Unverified50% confidenceFactExact time
Golden Master is a black-box testing technique popularized by Michael Feathers in Working Effectively with Legacy Code, used to establish a behavioral baseline for legacy code that lacks tests.
1
Sources
50%
Confidence
Long-term
Relevance
11/1/2026
First Seen
Sources
Cisco Lets 27-Year-Old Engineer Rewrite 98% of Code with Unlimited AI Tokens — Will It Work?
youtubeSharan Labs10/31/2026
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Unverified测试接缝（Test Seam）概念最早由Michael Feathers在《修改代码的艺术》中提出，指代码中可以插入测试观测点的位置65% similarUnverifiedA common industry practice is to maintain a golden test suite for each high-value scenario, run it automatically before each change is merged, and use the differential in task completion rate and tool-call accuracy as the release gate metric63% similarUnverifiedA Golden Eval Set is a collection of test samples pre-labeled with correct answers, used to measure AI output quality and to run regression tests after model upgrades or prompt modifications in order to detect performance degradation.58% similarUnverifiedA golden set refers to a collection of test cases that have been manually confirmed and carry authoritative labels; it is the "ruler" of the evaluation pipeline, used to measure the absolute quality of the system under test and to calibrate reviewer models.57% similarUnverifiedPatches submitted by AI coding agents can make a previously failing test suite pass, but may do so by rewriting the test setup layer (e.g., conftest.py, factory functions, seed data, golden files).57% similar
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